Introduce BVEC_ITER_ALL_INIT for iterating one bio
from start to end.
Signed-off-by: Ming Lei <tom.leim...@gmail.com>
---
include/linux/bvec.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 9df9e582bd3f..e12ce6bd63d7 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -183,4 +183,12 @@ static inline void bvec_iter_advance_mp(const struct
bio_vec *bv,
((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len))
+#define BVEC_ITER_ALL_INIT (struct bvec_iter) \
+{ \
+ .bi_sector = 0, \
+ .bi_size = UINT_MAX, \
+ .bi_idx = 0, \
+ .bi_bvec_done = 0, \
+}
+
#endif /* __LINUX_BVEC_ITER_H */
--
2.7.4
